State profile · Near median Poor share

Wisconsin bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Wisconsin, based on the FHWA National Bridge Inventory.

14,851
Public bridges
41.3%
Good condition
6.1%
Poor condition

Data updated May 2026

Total Bridges

14,851

Public highway bridges in Wisconsin

Good Condition

41.3%

6,130 bridges rated 7-9

-8.7pp vs 50% benchmark

Poor Condition

6.1%

911 bridges whose lowest applicable component is rated 0-4

-0.9pp vs national avg 7.0%

Wisconsin vs national bridge condition

Wisconsin - Good condition share 41.3%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Wisconsin - Poor-condition share 20.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Wisconsin vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Wisconsin on the same metric.

MS

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823

SC

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396
Selected

WI

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851

NC

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901

HI

Hawaii

6.47% top marginal rate
Structure
Progressive
Burden @ $100K
$1,206

Bridges Needing Most Attention in Wisconsin

Six lowest-condition bridges in Wisconsin, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Wisconsin

CTH S, SHOPIERE RO

Fair

Over: TURTLE CREEK

1.6M N JCT CTH G, Rock, WI

Built 2008 Load: 34.0 t ADT: 5,900

LRD MAPLE LANE RD

Fair

Over: S FK MAIN CREEK

2.8M E JCT CTH B, Rusk, WI

Built 1988 Load: 34.0 t ADT: 86

LRD LARSON RD

Fair

Over: DEER TAIL CREEK

0.3M E JCT CTH G, Rusk, WI

Built 1989 Load: 34.0 t ADT: 108

LRD CEMETERY RD

Fair

Over: CHENEY CREEK

1.4M N JCT CTH G-91, Rusk, WI

Built 1989 Load: 34.0 t ADT: 108

CTH V V

Fair

Over: SHOULDER CREEK

0.5M S JCT STH 194--39, Rusk, WI

Built 1989 Load: 34.0 t ADT: 423

LRD 2ND AVE-SHAW S

Fair

Over: BARABOO RIVER

0.3M S JCT STH 33, Sauk, WI

Built 1976 Load: 34.0 t ADT: 2,200

STH 154

Fair

Over: NARROWS CREEK

5.2M E JCT STH 23 TO E, Sauk, WI

Built 1991 Load: 34.0 t ADT: 1,200

LRD ASH ST

Fair

Over: BARABOO RIVER

0.1M S JCT STH 113, Sauk, WI

Built 1992 Load: 34.0 t ADT: 2,800

LRD S BROADWAY ST

Fair

Over: BARABOO RIVER

2.1M N JCT STH 159, Sauk, WI

Built 2004 Load: 34.0 t ADT: 9,900

LRD NARROWS VALLEY

Fair

Over: NARROWS CREEK

0.7M N JCT STH 154, Sauk, WI

Built 1986 Load: 34.0 t ADT: 156

CTH F

Fair

Over: BIG CREEK

1.5M E JCT STH 58, Sauk, WI

Built 1980 Load: 34.0 t ADT: 209

STH 48

Fair

Over: THIRTY THREE CREEK

3.1M E JCT CTH FF, Sawyer, WI

Built 1990 Load: 34.0 t ADT: 710

LRD BLOMBERG RD

Fair

Over: CHIPPEWA RIVER 25

1.2M E JCT STH 40, Sawyer, WI

Built 1993 Load: 34.0 t ADT: 678

CTH C

Fair

Over: SWAN CREEK

6.2M E JCT STH 48, Sawyer, WI

Built 1991 Load: 34.0 t ADT: 238

CTH G

Fair

Over: CHIPPEWA RIVER 30

0.1M N JCT STH 70, Sawyer, WI

Built 1996 Load: 34.0 t ADT: 847

LRD HERMAN CREEK R

Fair

Over: HERMAN CREEK

0.4M S JCT STH 156, Shawano, WI

Built 1986 Load: 34.0 t ADT: 100

CTH MMM

Fair

Over: WOLF RIVER

CITY OF SHAWANO, Shawano, WI

Built 1999 Load: 34.0 t ADT: 3,700

STH 29 WB

Fair

Over: WOLF RIVER

7.7M W JCT STH 47, Shawano, WI

Built 1996 Load: 34.0 t ADT: 5,550

IH 43 SB

Fair

Over: CNW RR

0.9M S JCT STH 28 TO W, Sheboygan, WI

Built 1971 Load: 34.0 t ADT: 28,300

CTH RR

Fair

Over: CNW RR

1.6M E JCT CTH KW, Sheboygan, WI

Built 1975 Load: 34.0 t ADT: 940

STH 32 (MAIN ST)

Fair

Over: SHEBOYGAN RIVER

0.3M N JCT STH 28, Sheboygan, WI

Built 1984 Load: 34.0 t ADT: 8,300

STH 23 EB

Fair

Over: SHEBOYGAN RIVER

0.1M E JCT CTH TT, Sheboygan, WI

Built 1984 Load: 34.0 t ADT: 12,350

CTH A

Fair

Over: SHEBOYGAN RIVER

1.4M N JCT CTH PP, Sheboygan, WI

Built 1985 Load: 34.0 t ADT: 2,700

CTH JM

Fair

Over: SHEBOYGAN RIVER

0.4M W JCT CTH M, Sheboygan, WI

Built 1991 Load: 34.0 t ADT: 450

LRD FRANKLIN RD

Fair

Over: SHEBOYGAN RIVER

0.3M N JCT CTH FF, Sheboygan, WI

Built 1976 Load: 34.0 t ADT: 58

CTH T

Fair

Over: WILLOW RIVER

2.8M N JCT CTH G, St. Croix, WI

Built 1976 Load: 34.0 t ADT: 2,000

STH 64-STH 65-KNOW

Fair

Over: WILLOW RIVER

0.2M E JCT STH 65 TO S, St. Croix, WI

Built 1924 Load: 34.0 t ADT: 19,790

LRD SEVENTH ST (DE

Fair

Over: UNION PACIFIC RR

0.4M E JCT STH 35, St. Croix, WI

Built 1987 Load: 34.0 t ADT: 865

CTH D

Fair

Over: CARR CREEK

0.8M N JCT USH 12, St. Croix, WI

Built 1994 Load: 34.0 t ADT: 1,100

STH 46

Fair

Over: WILLOW RIVER

1.5M N JCT STH 64, St. Croix, WI

Built 2000 Load: 34.0 t ADT: 4,100

CTH T

Fair

Over: KINNICKINNIC RIVER

1.7M S JCT CTH G, St. Croix, WI

Built 1974 Load: 34.0 t ADT: 2,000

CTH O

Fair

Over: BLACK RIVER

1.1M E JCT CTH Q, Taylor, WI

Built 1971 Load: 34.0 t ADT: 3,500

LRD CROSS RD

Fair

Over: TREMPEALEAU RIVER

0.2M E JCT STH 93, Trempealeau, WI

Built 1983 Load: 34.0 t ADT: 177

CTH R

Fair

Over: N FK BUFFALO RIVER

0.3M N JCT USH 10, Trempealeau, WI

Built 1987 Load: 34.0 t ADT: 2,250

CTH J

Fair

Over: MEYERS VALLEY CREEK

1.1M S JCT STH 95, Trempealeau, WI

Built 2006 Load: 34.0 t ADT: 1,102

USH 53-ERVIN ST

Fair

Over: IRVIN CREEK

4.7M N JCT STH 95, Trempealeau, WI

Built 1935 Load: 34.0 t ADT: 4,700

CTH F

Fair

Over: HILLS CREEK

0.1M S JCT CTH WW, Vernon, WI

Built 1985 Load: 34.0 t ADT: 520

LRD KOLL RD

Fair

Over: COON CREEK

0.4M E JCT STH 162, Vernon, WI

Built 1987 Load: 34.0 t ADT: 45

LRD SPRING COULEE

Fair

Over: BR SPRING COULEE CREEK

2.3M E JCT CTH P, Vernon, WI

Built 1989 Load: 34.0 t ADT: 85

STH 35

Fair

Over: BAD AXE RIVER

2.5M N JCT CTH UU, Vernon, WI

Built 1990 Load: 34.0 t ADT: 4,750

CTH ZZ

Fair

Over: BILLINGS CREEK

0.1M E JCT CTH Z, Vernon, WI

Built 1988 Load: 34.0 t ADT: 217

CTH P

Fair

Over: BR COON CREEK

0.2M E JCT USH 14, Vernon, WI

Built 1989 Load: 34.0 t ADT: 590

CTH P

Fair

Over: WEISTER CREEK

3.7M W JCT STH 131, Vernon, WI

Built 1998 Load: 34.0 t ADT: 136

STH 56

Fair

Over: BR COX CREEK

6.2M E JCT CTH K, Vernon, WI

Built 1937 Load: 34.0 t ADT: 1,200

LRD HENRY"S LANE

Fair

Over: BAD AXE RIVER

2.4M E JCT STH 35, Vernon, WI

Built 1975 Load: 34.0 t ADT: 94

LRD HAYDEN RD

Fair

Over: BR COOLEY CREEK

3.6M E JCT STH 82, Vernon, WI

Built 1928 Load: 34.0 t ADT: 94

STH 70

Fair

Over: WISCONSIN RIVER 53

6.6M E JCT CTH O, Vilas, WI

Built 1993 Load: 34.0 t ADT: 5,700

LRD TWIN LAKES RD

Fair

Over: E BR NIPPERSINK CREEK

0.6M W JCT CTH B, Walworth, WI

Built 1989 Load: 34.0 t ADT: 1,200

IH 43 SB

Fair

Over: SUGAR CREEK

4.8 MI S JCT STH 120, Walworth, WI

Built 1971 Load: 34.0 t ADT: 9,800

IH 43 SB

Fair

Over: CMSTPP RR

2.0 MI S JCT USH 14, Walworth, WI

Built 1976 Load: 34.0 t ADT: 9,400

Showing 6,101-6,150 of 14,851 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.